Micro Java


Summary

This article shows an example of using Micro Java to define a small Java program with embedded XOCL code.  Micro Java is provided in the release version of XMF.


Example 

parserImport XOCL;
parserImport Languages::MicroJava;
 
context Root
 
@Java
 
  public class Printer {
 
    private int copies;
    private String string;
 
    public Test(int copies,String string) {
    }
 
    private boolean printCount() {
      while(copies > 0) {
        this.write(string);
	this.copies = this.copies - 1;
      }
      return true;
    }
 
    // Embedded XOCL
 
    with JOCL {
      @Operation write(string:String)
        format(stdout,"~S~%",Seq{string})
      end 
    }
  }
 
end

A transcript of use:

[1] XMF> Printer(3,"HELLO WORLD!!").printCount();
HELLO WORLD!!
HELLO WORLD!!
HELLO WORLD!!
true
[1] XMF>